Services/Routing/Route.php

   1 <?php
   2
   3 namespace Services\Routing;
   4
   5 use Services\Routing\IRoute;
   6
   7 class Route implements IRoute
   8 {
   9     private $_controllerName;
  10     private $_actionName;
  11     private $_pattern;
  12     private $_methods;
  13
  14     public function __construct($pattern, array $methods, $controllerName, $actionName = null)
  15     {
  16         $this->_controllerName = $controllerName;
  17         $this->_actionName = $actionName;
  18         $this->_pattern = $pattern;
  19         $this->_methods = $methods;
  20     }
  21
  22     public function matches($path) {
  23         $argNames = array();
  24
  25         /*
  26          * Set up a callback for preg_replace_callback. What this does is
  27          * replace the :argName style arguments with named groups to match
  28          * against the resource URI. So for example:
  29          *
  30          * my/:pattern/
  31          *
  32          * Becomes:
  33          *
  34          * my/(?P<pattern>[^/]+
  35          *
  36          * Then we can feed the new regex and the URI in to preg_match to
  37          * extract the variables.
  38          */
  39         $callback = function($m) use ($argNames) {
  40             /*
  41              * We save away the names of the arguments in a variable so we can
  42              * loop through later and put them in $this->arguments.
  43              */
  44             $argNames[] = $m[1];
  45             return '(?P<' . $m[1] . '>[^/]+)';
  46         };
  47
  48         $patternAsRegex = preg_replace_callback('#:([\w]+)\+?#', $callback, $this->_pattern);
  49
  50         if (!preg_match('#^' . $patternAsRegex . '$#', $path, $argValues))
  51             return false;
  52
  53         return true;
  54     }
  55
  56     public function supports($method)
  57     {
  58         return in_array($method, $this->_methods);
  59     }
  60
  61     public function getControllerName()
  62     {
  63         return $this->_controllerName;
  64     }
  65
  66     public function getActionName()
  67     {
  68         return $this->_actionName;
  69     }
  70 }
  71